Totally wireless Powerbeats Pro earphones are built to revolutionize your workouts. With zero wires to hold you back, the adjustable, secure-fit earbuds are customizable for extended comfort and designed to stay in place. The result is a balanced fit that provides all-day comfort and stability. The redesigned acoustic package delivers powerful, balanced sound. The powerful drivers and custom amplifiers push out pure, enhanced sound with increased clarity and a wide dynamic range. And when you need to hear the world around you, the Powerbeats Pro offer multiple acoustics options and outward-facing microphones to help you hear everything. With hands-free voice control, you can use Siri to make calls, check your battery level, or start a workout. The Powerbeats Pro offer up to 9 hours of listening time and more than 24 hours of combined listening time with the charging case. The charging case has a capacity of 1000 mAh. The Powerbeats Pro are sweat and water resistant, making them perfect for workouts. The Powerbeats Pro are compatible with iOS and Android devices. Features: Totally wireless, adjustable, secure-fit ear hooks. Powerful, balanced sound. Hands-free voice control with Siri. Up to 9 hours of listening time. Sweat and water resistant. Compatible with iOS and Android devices. Includes charging case. Please note: This is a refurbished product and may have minor cosmetic blemishes. Accessories and charging cable may not be included.